“…The CATIE study, for instance, failed to find any significant differences between medication classes in time to discontinuation (Lieberman et al, 2005). Nonadherence is a major problem with both classes of antipsychotics (Eaddy, Grogg, & Locklear, 2005;Thieda, Beard, Richter, & Kane, 2003;Weiden, Kozma, Grogg, & Locklear, 2004). Adherence is defined as the extent to which a person's behavior coincides with medical or health advice (Haynes, 1979, p. 2).…”